Base | Representation |
---|---|
bin | 11101000100100… |
… | …101010000000111 |
3 | 1020222202210002010 |
4 | 131010211100013 |
5 | 1444330143143 |
6 | 120221545303 |
7 | 15041503512 |
oct | 3504452007 |
9 | 1228683063 |
10 | 487740423 |
11 | 230353665 |
12 | 117415233 |
13 | 7a081c01 |
14 | 48ac3d79 |
15 | 2cc45a33 |
hex | 1d125407 |
487740423 has 4 divisors (see below), whose sum is σ = 650320568. Its totient is φ = 325160280.
The previous prime is 487740403. The next prime is 487740481. The reversal of 487740423 is 324047784.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 487740423 - 28 = 487740167 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487740403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81290068 + ... + 81290073.
It is an arithmetic number, because the mean of its divisors is an integer number (162580142).
Almost surely, 2487740423 is an apocalyptic number.
487740423 is a deficient number, since it is larger than the sum of its proper divisors (162580145).
487740423 is a wasteful number, since it uses less digits than its factorization.
487740423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162580144.
The product of its (nonzero) digits is 150528, while the sum is 39.
The square root of 487740423 is about 22084.8460035383. The cubic root of 487740423 is about 787.1598184020.
The spelling of 487740423 in words is "four hundred eighty-seven million, seven hundred forty thousand, four hundred twenty-three".
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